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Fencer Vulns
critical 9.8

CVE-2022-0699 json

A double-free condition exists in contrib/shpsort.c of shapelib 1.5.0 and older releases.

published 2022-10-17 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-15776

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

A double-free condition exists in contrib/shpsort.c of shapelib 1.5.0 and older releases. This issue may allow an attacker to cause a denial of service or have other unspecified impact via control over malloc.

Patch / fix

  • shapelib Debian 14, Debian 13, Debian 12 1.5.0-3

debian advisories DEBIAN-CVE-2022-0699

  • shapelib Ubuntu 22.04 LTS 1.5.0-2+deb11u1build0.22.04.1
  • shapelib Ubuntu Pro 16.04 LTS 1.3.0-5ubuntu0.1~esm1
  • shapelib Ubuntu Pro 18.04 LTS 1.4.1-1ubuntu0.1~esm1
  • shapelib Ubuntu Pro 20.04 LTS 1.5.0-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2022-0699

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • shapelib openSUSE Tumbleweed 1.5.0-2.1
  • shapelib Package Hub 15 SP3, openSUSE Leap 15.3 1.5.0-bp153.2.3.1

opensuse advisories openSUSE-SU-2024:11863-1openSUSE-SU-2022:0068-1

  • shapelib CBL-Mariner 2.0, Azure Linux 3.0 1.5.0-3

azure linux advisories AZL-28599AZL-37034

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-0699 updated cvss 8.1

shapelib: Double-free vulnerability in contrib/shpsort.c

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
17 mo ago

Exploit prediction

1.66% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/OSGeo/shapelib/issues/39 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • n/a shapelib

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.